HOSE AS 3686258 - Caterpillar

Illustration 4 g00617883
Remove bearing cones (6) from gears (5).
Illustration 5 g00619549
Use tool (C) to remove the bearing cups from planetary gears (5).
Illustration 6 g00617875
Illustration 7 g00619552Note: Sun gear (27) is free to fall if the sun gear stays with planetary carrier (8).Note: Planetary carrier (8) and sun gear (7) weigh 46 kg (101 lb).
Use tool (D) and a hoist to remove planetary carrier (8) and sun gear (7) from the hub.
Illustration 8 g00617887
Turn over planetary carrier (8) and sun gear (7).
Remove spiral ring (9) from sun gear (7). Note: Planetary carrier (8) weighs 37 kg (82 lb).
Use a hoist to remove planetary carrier (8) from sun gear (7).
Illustration 9 g00617889
Remove the bolts and retainers (10).
Use a press and tool (B) to remove the shafts from planetary carrier (8).
Remove gears (11) from planetary carrier (8).
Illustration 10 g00617890
Remove bearings (12) from planetary gears (11).
Remove the lock rings and bearing cups (13) from planetary gears (11).
Illustration 11 g00617891
Remove fifteen bolts (14) and retainer (15).
Use a magnet to remove fifteen pins from the hub.
Illustration 12 g00619558Note: Hub (16) and ring gear (17) weigh 80 kg (176 lb).
Install tool (E) and a hoist on hub (16).
Remove hub (16) and ring gear (17).
Remove tool (E).
Turn over hub (16) and ring gear (17).
Remove the retainer ring from ring gear (17). Note: Hub (16) weighs 22 kg (49 lb).
Remove hub (16) from ring gear (17).
Illustration 13 g00619568
Install tool (F) on hub (19).
Use tool (F) to loosen hub (19) from hub (20).
Remove tool (F).
Remove bearing cone (18) from hub (19).
Illustration 14 g00619569Note: Hub (19) weighs 280 kg (620 lb).
Install tool (G) and a hoist on hub (19).
Remove hub (19) from hub (20).
Turn over hub (19). Note: Mark the Duo-Cone seals so the seals can be aligned and installed correctly in the assembly procedure.
Remove Duo-Cone seal (21).
Use a hammer and a punch to remove bearing cup (22).
Turn over hub (19).
Use a hammer and a punch to remove bearing cup (23).
Remove Duo-Cone seal (24) from hub (20).
The component may be damaged if the component is removed.
If necessary, remove bearing cone (25) from hub (20).
Remove lip seal (26) from hub (20).
Orient hub (20) with the spline downward. Support the hub securely.
Illustration 15 g00617900
Use a torch to heat the bearing cage evenly. Apply heat to the bearing cage until the bearing cage falls.
Use a torch to heat the bearing race evenly. Apply heat to the bearing race until the bearing race falls. Note: Handle the hot parts carefully in order to avoid injury.
Inspect hub (20) in order to determine the reusability of the hub.